{{ 2 is le 42 }}
{{ 2 is <= 42 }}
{{ 2 is le 42.0 }}
{{ 42 is le 42 }}
{{ 42 is <= 42 }}
{{ 42.0 is le 42 }}
{{ 42 is le 2 }}
{{ 42.0 is le 2 }}
{{ 'test' is le 42 }}
{{ 42 is le 'test' }}